From: agust@denx.de (Anatolij Gustschin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2 v2] dma: ipu_idmac: do not lose valid received data in the irq handler
Date: Fri, 4 Feb 2011 10:35:09 +0100 [thread overview]
Message-ID: <20110204103509.4465f23e@wker> (raw)
In-Reply-To: <Pine.LNX.4.64.1102031104090.21719@axis700.grange>
Hi all,
On Thu, 3 Feb 2011 11:09:54 +0100 (CET)
Guennadi Liakhovetski <g.liakhovetski@gmx.de> wrote:
...
> Yes, the first interrupt is different, that's where I'm dropping /
> postponing it. With your patch only N (equal to the number of buffers
> used, I think) first interrupts toggle, then always only one buffer is
> used:
>
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> ...
>
> Verified with both capture.c and mplayer. Could you, please, verify
> whether you get the same behaviour and what the problem could be?
Currently I'm quite busy, but I'll look at it this week end.
Thanks,
Anatolij
next prev parent reply other threads:[~2011-02-04 9:35 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-26 8:49 [PATCH 0/2] Fix issues with frame reception from CSI on i.MX31 Anatolij Gustschin
2011-01-26 8:49 ` [PATCH 1/2] v4l: soc-camera: start stream after queueing the buffers Anatolij Gustschin
2011-01-29 19:16 ` Guennadi Liakhovetski
2011-01-29 19:24 ` Anatolij Gustschin
2011-01-31 12:19 ` [PATCH 1/2 v2] " Anatolij Gustschin
2011-01-26 8:49 ` [PATCH 2/2] dma: ipu_idmac: do not lose valid received data in the irq handler Anatolij Gustschin
2011-01-27 8:22 ` Anatolij Gustschin
2011-01-31 5:56 ` Dan Williams
2011-01-31 12:22 ` [PATCH 2/2 v2] " Anatolij Gustschin
2011-02-03 10:09 ` Guennadi Liakhovetski
2011-02-04 9:19 ` Markus Niebel
2011-02-04 9:37 ` Guennadi Liakhovetski
2011-02-04 11:37 ` Markus Niebel
2011-02-04 9:35 ` Anatolij Gustschin [this message]
2011-02-05 13:35 ` Anatolij Gustschin
2011-02-05 16:36 ` Guennadi Liakhovetski
2011-02-05 20:04 ` Anatolij Gustschin
2011-02-07 11:09 ` Guennadi Liakhovetski
2011-02-07 11:21 ` Anatolij Gustschin
2011-02-07 11:35 ` Guennadi Liakhovetski
2011-02-07 13:01 ` Detlev Zundel
2011-02-07 13:35 ` Guennadi Liakhovetski
2011-02-07 14:43 ` Detlev Zundel
2011-02-07 13:45 ` Anatolij Gustschin
2011-02-07 14:00 ` Guennadi Liakhovetski
2011-02-07 16:49 ` Guennadi Liakhovetski
2011-02-14 9:57 ` Dan Williams
2011-01-28 7:46 ` [PATCH 0/2] Fix issues with frame reception from CSI on i.MX31 Anatolij Gustschin
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